User`s manual

20
Chapter 9. Headers
9.1. Extension Headers
Table 9-1 shows the controller pin headers and their corresponding microcontroller connections. The header pins
connect directly to the microcontroller pin.
JN1 Extension Header
Pin Circuit Net
Name
MCU Pin Pin Circuit Net Name MCU Pin
1 5V0 - 2 Ground -
3 3V3 - 4 Ground -
5 3V3A 97 6 AGND 94, 99
7 AVREF3V3 96 8 RESET# 10
9 P40/AN0 95 10 P41/AN1 93
11 P42/AN2 92 12 P43/AN3 91
13 NC - 14 PC2/LCD-CS 50
15 P51/LCD-RS 43 16 PE4/LCD-D0 74
17 PE5/LCD-D1 73 18 PE6/LCD-D2 72
19 PE7/LCD-D3 71 20 PC6/MOSI 46
21 PC7/MISO 45 22 PC5/SCK 47
23 PC0/SFL-CS 52 24 PC4/SD-CS 48
25 P13/SDA 33 26 P12/SCL 32
Table 9-1: JN1 Extension Header